MRI evaluation of pelvis in Mayer-Rokitansky-Kuster-Hauser syndrome: interobserver agreement for surgically relevant

Aanchal Bhayana1, Rohini Gupta Ghasi1

  • 11 Department of Radiology and Imaging, Vardhman Mahavir Medical College and Safdarjung Hospital , New Delhi , India.

Abstract

Insights

Magnetic Resonance Imaging (MRI) effectively details pelvic anatomy in Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome. Most MRI features for surgical planning show good to excellent interobserver agreement, confirming reproducibility.

Area of Science:

  • Radiology
  • Gynecologic Imaging
  • Medical Diagnostics

Background:

  • Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome is a congenital condition affecting Mullerian duct development.
  • While MRI is established for MRKH diagnosis, its accuracy in detailing pelvic anatomy and reproducibility of findings require further evaluation.

Purpose of the Study:

  • To assess the detailed pelvic anatomy in patients diagnosed with MRKH syndrome using MRI.
  • To determine the interobserver agreement for MRI-based evaluation of anatomical structures in MRKH syndrome.

Main Methods:

  • Retrospective analysis of pelvic MRI scans from 25 female patients (aged 15-30) with primary amenorrhea and suspected MRKH syndrome.
  • Two radiologists independently reviewed MRI images to evaluate Mullerian structures, vagina, and ovaries, calculating interobserver agreement using the κ coefficient.

Main Results:

  • Good to excellent interobserver agreement (κ ≥ 0.7) was observed for uterine buds, vagina, ovaries, and associated anomalies.
  • Agreement was poor to fair for fibrous bands (κ ≤ 0.6) but good for midline triangular soft tissue (κ ≈ 0.78).

Conclusions:

  • MRI provides crucial non-invasive preoperative anatomical information for MRKH syndrome management.
  • The study confirms good to excellent reproducibility of MRI features for most surgically relevant structures between observers.

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